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安徽宿县位于淮北平原的东北部,气候特征属于暖温带半湿润季风农业气候区,雨量适中,光照充足,年平均降水量为890.1毫米。年平均气温为13.8℃,大于20℃的连续天数在80天以上,无霜期长,总之,气候资源为种植优质烟提供了基本条件。总的地势是北部和西部较高,呈南北东南倾斜,北部和东北部分布有岛状低山残丘,在山丘四周分布有山红土和红花山淤土,大约100多万亩,仅宿县北部的符、夹、曹三区就有61.4万亩,pH 值在6.5—
Located in the northeastern part of Huaibei Plain, Suxian County belongs to the warm temperate semi-humid monsoon agricultural climate zone with moderate rainfall and sufficient sunshine with an average annual rainfall of 890.1 mm. The average annual temperature is 13.8 ℃, the number of continuous days greater than 20 ℃ is above 80 days and the frost-free period is long. In short, climate resources provide the basic conditions for planting high-quality tobacco. The general topography is high in the north and the west, with a southeastern and southeastern tropism. There are islands and valleys in the northern and northeastern parts. There are silt and soils around the hills, about 1 million mu and only about 1 million mu Suxian northern symbol, folder, Cao three districts have 614000 acres, pH value of 6.5 -